Magnetic-field dependence of the magnetic excitations in ordered$\chem{HoNi_{2}B_{2}C}

The effect of an external magnetic field H on the magnetic excitations in ordered $\chem{HoNi_{2}B_{2}C}$ is investigated by inelastic neutron scattering on single crystals for the first time. A Zeeman-like renormalization of the magnetic excitations is observed at fixed $T=2$$\un{K}$ and $H\paralle...

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Published in:Europhysics letters 2003-08, Vol.63 (4), p.597-602
Main Authors: Cavadini, N., Schneider, M., Allenspach, P., Canfield, P. C., Bourges, Ph
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Language:English
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75.10.Dg
75.30.Et
78.70.Nx
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container_issue 4
container_start_page 597
container_title Europhysics letters
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creator Cavadini, N.
Schneider, M.
Allenspach, P.
Canfield, P. C.
Bourges, Ph
description The effect of an external magnetic field H on the magnetic excitations in ordered $\chem{HoNi_{2}B_{2}C}$ is investigated by inelastic neutron scattering on single crystals for the first time. A Zeeman-like renormalization of the magnetic excitations is observed at fixed $T=2$$\un{K}$ and $H\parallel[1,1,0]$ up to $H=5$$\un{T}$. Above $H\sim 1.1$$\un{T}$ the renormalization occurs linearly, following the expectation for the $\chem{Ho^{3+}}$ crystal electric-field levels at finite fields. However, in the range $0
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75.30.Et
78.70.Nx
title Magnetic-field dependence of the magnetic excitations in ordered$\chem{HoNi_{2}B_{2}C}
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